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Dessert

Water Sponge Cake

A sponge cake made with sugar, boiling water, eggs, and flour.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Sugar and flour are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 92,116 recipes. Both carry phenylacetaldehyde, which smells hawthorne, honey. The science ↓

Water Sponge Cake

Oven, in the book's wordsA slow oven

Ingredients

Directions

The book says “a slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.

Make the batter

  1. Dissolve the sugar in boiling water.

  2. Beat the eggs in a mixing bowl.

  3. While beating, gradually pour in the dissolved sugar.

  4. Continue beating until well combined and fluffy.

  5. Add flavoring of your choice.

  6. Gently fold in the flour.

Bake

  1. Pour the batter into large molds.

  2. Bake in a slow oven at 300°F (150°C) until done.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  2. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

    Shared aroma: 2-nonenal (fatty, green).

Egg and flour barely smell alike, yet cooks put them together in 106,462 recipes: they work on texture and structure more than aroma.

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Eggs
Whipped into a foam that gives the cake its light, airy structure.
Sugar
Sweetens the cake and helps stabilize the beaten egg foam.
Boiling water
Dissolves the sugar so it blends evenly and adds moisture to the batter.
Flour
Forms the gluten network that sets the crumb as the cake bakes.

The step that matters

Gently fold in the flour. Flour should be folded in gently so the egg foam keeps its air. Vigorous stirring develops gluten and deflates the batter, leaving a dense, tough cake.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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